XS DXT2 Big Dot Tritium Night Sights offer superb front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch rear for an unobstructed view of the front sight. Fits Sig P320, P225, P226, P228 P229, SP2009, SP2340; Springfield XD, XD-M (not adjustable rear), XD-S, XD-S MOD.2, XD-E, HellCat (WILL NOT work on the OSP Hellcat); FN 509.
